CN215834776U - Shell of distributor - Google Patents

Abstract

The utility model discloses a shell of a distributor, which comprises a first shell and a second shell, wherein the first shell is clamped on the second shell, accommodating cavities are formed in the first shell and the second shell, a first connecting port and a second connecting port are arranged on the first shell, a third connecting port is arranged on the second shell, the first connecting port, the second connecting port and the third connecting port are respectively communicated with the accommodating cavities, a plurality of first clamping protrusions are arranged on one side of the first shell and/or one side of the second shell, and clamping claws are arranged on one side of the first shell and/or one side of the second shell. The utility model provides a distributor shell, its equipment is convenient, and is small, and it is firm to install, and all is provided with the connector in the both sides of shell, is convenient for connect the cable.

Description

Shell of distributor

Technical Field

The utility model relates to the technical field of connectors, in particular to a shell of a distributor.

Background

The distributor is a device for current distribution or signal distribution, and can divide one path of current or signal into multiple paths, so that a plurality of connecting ports are arranged on the distributor, one connecting port is used for current or signal, and the other connecting ports are used for current or signal output ports to supply current or signals to other equipment or other distributors.

The general connector of current distributor all sets up in the same one side of device, and the cable has certain thickness, and for the installation of convenience, each connector adopts the mode of arranging in a word usually, consequently, current distributor is usually bulky, longer, is unfavorable for carrying and installation, still increases manufacturing cost simultaneously.

In addition, in the using process, some devices are usually installed at a position higher than the distributor, and when the conventional distributor is connected with the devices, cables need to be bent upwards after being connected from the lower end of the distributor and then connected with the devices located at a higher position, and the connection mode is convenient, so that the installation is inconvenient, and on the other hand, the cables can be damaged after being used for a long time.

The traditional distributor is generally designed in an integrated mode, namely the distributor is fixedly installed in a mode of directly arranging an installation hole in a distributor shell, the installation mode is inconvenient to install, the installation firmness is not enough, and the disassembly and the replacement are troublesome.

Therefore, in combination with the above-mentioned technical problems, a new technical solution is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a distributor shell which is convenient to assemble, small in size and firm to install.

In order to achieve the purpose of the utility model, the utility model provides a shell of a distributor, which comprises a first shell and a second shell, wherein the first shell is clamped on the second shell, accommodating cavities are formed in the first shell and the second shell, a first connecting port and a second connecting port are arranged on the first shell, a third connecting port is arranged on the second shell, the first connecting port, the second connecting port and the third connecting port are respectively communicated with the accommodating cavities, a plurality of first clamping protrusions are arranged on one side of the first shell and/or one side of the second shell, and clamping claws are arranged on one side of the first shell and/or one side of the second shell.

Furthermore, four connecting ports are arranged on the second shell, and the fourth connecting ports are communicated with the accommodating cavity.

Furthermore, a plurality of first clamping protrusions are arranged on one side of each width direction of the first shell and the second shell respectively, and the first clamping protrusions on the first shell and the second shell correspond to each other one by one.

Furthermore, first protruding T shape that is of card, first protruding connecting portion and joint portion of including of card, the length direction of joint portion with the length direction of first casing or second casing is unanimous, connecting portion pass through connecting portion connect in one side of first casing or second casing.

Furthermore, a first clamping jaw is arranged on one side of the first shell in the width direction, and the direction of the clamping end of the first clamping jaw is consistent with the clamping direction of the first shell.

Furthermore, two sides of the first shell in the width direction are respectively provided with a second clamping jaw, the second shell is respectively provided with a second clamping protrusion corresponding to the second clamping jaw, and when the first shell is clamped on the second shell, the second clamping jaw is clamped with the second clamping protrusion; the second clamping jaw on one side of the first clamping jaw arranged on the first shell is located between the first clamping jaw and the first shell.

Further, first connector, second connector and third connector outwards extend respectively have first annular arch, be provided with the annular groove on the first annular arch, the axis direction of annular groove with first annular bellied axis direction is unanimous, first annular bellied one side still is provided with the third jack catch, the length direction of third jack catch with first annular bellied axis direction is unanimous, the third jack catch is kept away from first annular bellied one side is equipped with the pothook.

Furthermore, a second annular bulge extends outwards from the fourth connecting port, and a thread structure is arranged on the outer wall of the second annular bulge; an annular fixing structure is arranged in the fourth connecting port, and the axis direction of the annular fixing structure is consistent with the axis direction of the fourth connecting port.

Furthermore, the edge positions of the first shell and the second shell further extend outwards to form a plurality of fixing parts respectively, the fixing parts on the first shell correspond to the fixing parts on the second shell in a one-to-one mode, and the fixing parts on the first shell and the fixing parts on the second shell are fixed through fasteners.

Further, the inner chamber of first casing and the inner chamber of second casing are provided with a plurality of respectively and prevent slow-witted muscle and/or a plurality of and prevent slow-witted groove, prevent slow-witted muscle on the first casing with prevent slow-witted groove one-to-one on the second casing, prevent slow-witted muscle on the second casing with prevent slow-witted groove one-to-one on the first casing, only when preventing that slow-witted muscle is pegged graft with the prevent slow-witted groove that corresponds, just first casing can the block be in on the second casing.

Compared with the prior art, the distributor housing of the application has one or more of the following advantages:

(1) according to the distributor shell, the connectors are arranged on the two sides of the distributor shell, so that cables do not need to detour from the lower part of the distributor when equipment above the distributor is connected, the assembly is convenient, and the service life of the cables is prolonged;

(2) one side of the distributor shell is provided with a clamping jaw which can be clamped with a clamping part on the distributor base, so that the distributor shell can be conveniently detached while playing a role in fixing;

(3) according to the distributor shell, the clamping protrusions are arranged on one side of the distributor shell and can be clamped with the clamping grooves in the distributor base, and the distributor shell is firm in installation, high in stability and convenient to assemble and disassemble;

(4) according to the distributor shell, the two shells are connected through the buckle, the function of pre-positioning can be achieved, and the two shells can be conveniently fastened by using fasteners such as bolts and the like in the later period;

(5) according to the distributor shell, the two shells are fixed in a double-fixing mode through the buckles and the fasteners, so that the distributor shell is installed more tightly and firmly;

(6) according to the distributor shell, the fool-proof structure is arranged between the two shells, so that the error in installation direction between the two shells can be effectively avoided;

(7) the utility model provides a distributor shell, its equipment is convenient, and the volume is less.

Drawings

Fig. 1 is a schematic perspective view of a dispenser provided in an embodiment of the present application at an angle;

fig. 2 is a schematic perspective view of a dispenser provided in an embodiment of the present application at another angle;

fig. 3 is a schematic perspective view of a base provided in an embodiment of the present application at an angle;

fig. 4 is a schematic perspective view of a base provided in an embodiment of the present application at another angle;

FIG. 5 is an exploded view of an enclosure provided by an embodiment of the present application at an angle;

FIG. 6 is an exploded view of the housing at another angle according to an embodiment of the present disclosure;

FIG. 7 is a schematic perspective view of a dispenser body with a second housing removed according to an embodiment of the present application;

FIG. 8 is a schematic perspective view of a dispenser according to an embodiment of the present application with a wire end connector and a sealing cap installed;

fig. 9 is a schematic perspective view of a pin assembly provided in an embodiment of the present application at an angle;

fig. 10 is a schematic perspective view of a pin assembly at another angle according to an embodiment of the present disclosure;

fig. 11 is a schematic structural diagram of a pin assembly according to an embodiment of the present application in a top view;

fig. 12 is a schematic view illustrating the installation of the pin assembly on the housing according to the embodiment of the present application;

FIG. 13 is a cross-sectional view taken at A of FIG. 11;

fig. 14 is a schematic perspective view of a pin according to an embodiment of the present application.

Wherein, 1-main body, 11-shell, 111-first shell, 1111-first connecting port, 1112-second connecting port, 1113-foolproof groove, 1114-guide groove, 1115-annular structure, 1116-groove, 112-second shell, 1121-third connecting port, 1122-fourth connecting port, 1123-foolproof rib, 1124-guide rib, 113-first clamping protrusion, 1131-connecting part, 1132-clamping part, 114-first clamping claw, 115-second clamping claw, 116-second clamping protrusion, 117-first annular protrusion, 1171-annular groove, 118-second annular protrusion, 1181-annular fixing structure, 119-third clamping claw, 1191-clamping claw, 110-fixing part, 12-circuit board, 13-pin assembly, 131-a pin seat, 1311-a pin mounting hole, 1312-an abutting part, 1313-an inserting part, 1314-a first pin, 1315-a protrusion, 1316-a first part, 1317-a second part, 1318-a third part, 132-a pin, 1321-a limiting part, 1322-a clamping part, 1323-an inserting part, 1324-an elastic clamping piece, 1325-an annular clamping protrusion, 1326-a second pin, 2-a base, 21-a fixing part, 211-a first through hole, 212-a second through hole, 22-a limiting part, 221-a clamping groove, 222-a first side plate, 223-a second side plate, 224-a first limiting plate, 225-a second limiting plate, 226-a third limiting plate, 227-a bottom plate, 228-a supporting part, 23-a clamping part and 24-a first reinforcing rib, 25-second reinforcing rib, 26-third reinforcing rib, 27-fourth reinforcing rib, 3-wire end connector, 4-signal connecting terminal and 5-sealing cover.

Detailed Description

To further explain the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.

Examples

Referring to fig. 1 to 14, fig. 1 is a schematic perspective view of a distributor according to an embodiment of the present disclosure; fig. 2 is a schematic perspective view of a dispenser provided in an embodiment of the present application at another angle; fig. 3 is a schematic perspective view of a base provided in an embodiment of the present application at an angle; fig. 4 is a schematic perspective view of a base provided in an embodiment of the present application at another angle; FIG. 5 is an exploded view of an enclosure provided by an embodiment of the present application at an angle; FIG. 6 is an exploded view of the housing at another angle according to an embodiment of the present disclosure; FIG. 7 is a schematic perspective view of a dispenser body with a second housing removed according to an embodiment of the present application; FIG. 8 is a schematic perspective view of a dispenser according to an embodiment of the present application with a wire end connector and a sealing cap installed; fig. 9 is a schematic perspective view of a pin assembly provided in an embodiment of the present application at an angle; fig. 10 is a schematic perspective view of a pin assembly at another angle according to an embodiment of the present disclosure; fig. 11 is a schematic structural diagram of a pin assembly according to an embodiment of the present application in a top view; fig. 12 is a schematic view illustrating the installation of the pin assembly on the housing according to the embodiment of the present application;

FIG. 13 is a cross-sectional view taken at A of FIG. 11; fig. 14 is a schematic perspective view of a pin according to an embodiment of the present application.

The present embodiment provides a dispenser, as shown in fig. 1 and 2, which includes a main body 1 and a base 2, wherein the main body 1 is mounted on the base 2.

As shown in fig. 3, the base 2 includes a fixing portion 21, a limiting portion 22 and a clamping portion 23, wherein the limiting portion 22 and the clamping portion 23 are respectively disposed on the same side of the fixing portion 21. A space coordinate system is defined, wherein the length direction of the fixing portion 21 is the x-axis direction, and the width direction of the fixing portion 21 is the y-axis direction. The length direction of the clamping portion 23 is consistent with the x-axis direction, the limiting portions 22 are symmetrically arranged on two sides of the clamping portion 23 in the x-axis direction, and clamping grooves 221 are formed in the limiting portions 22. Fixed part 21 is the arc, spacing portion 22 with joint portion 23 is located respectively fixed part 21 one side in the negative direction of z axle, fixed part 21 is crooked towards z axle positive direction one side respectively at its ascending both ends of length direction. The fixing portion 21 is provided with first through holes 211 at positions close to both ends in the length direction. Preferably, the first through hole 211 is a long through hole, and a longitudinal direction of the first through hole 211 is identical to a longitudinal direction of the fixing portion 21. Through first through-hole 211 can be with the both ends of base 2 are fixed, can prevent effectively that base 2 from taking place to rotate after fixed. First through-hole 211 designs into rectangular shape, can adapt to different mounted position, for example the post of different diameters, can also not require very high installation accuracy to a certain extent simultaneously, improves the convenience of installation base 2.

The fixing portion 21 is further provided with a second through hole 212, and the second through hole 212 is located on one side of the clamping portion 23 in the positive direction of the y axis. The second through hole 212 is preferably a circular hole, and the second through hole 212 can further ensure the mounting firmness of the base 2, so as to prevent the dispenser from tilting after the dispenser body 1 is mounted.

In a further embodiment, the position limiting portion 22 includes a first side plate 222, a second side plate 223, a first limiting plate 224, a second limiting plate 225, a third limiting plate 226, and a bottom plate 227. As shown in fig. 3, the first side plate 222 and the second side plate 223 are disposed in parallel and at intervals, the length direction of the first side plate 222 and the length direction of the second side plate 223 respectively coincide with the y-axis direction, and the width direction of the first side plate 222 and the width direction of the second side plate 223 respectively coincide with the z-axis direction. The first side plate 222 and the second side plate 223 are connected to the fixing portion 21, respectively. The first limiting plate 224 is disposed between the first side plate 222 and the second side plate 223, a length direction of the first limiting plate 224 is the same as a y-axis direction, a width direction of the first limiting plate 224 is the same as an x-axis direction, and the first limiting plate 224 is connected to the first side plate 222 and the second side plate 223 respectively. The second limiting plate 225 and the third limiting plate 226 are respectively arranged on one side of the first limiting plate 224 in the negative direction of the z axis at intervals, the second limiting plate 225 is connected with the first side plate 222, the third limiting plate 226 is connected with the second side plate 223, an interval is arranged between the second limiting plate 225 and the third limiting plate 226, the length direction of the bottom plate 227 is consistent with the direction of the x axis, the width direction of the bottom plate 227 is consistent with the direction of the z axis, the bottom plate 227 is located on one side of the clamping portion 23 in the negative direction of the y axis, and the first side plate 222, the second side plate 223, the first limiting plate 224, the second limiting plate 225 and the third limiting plate 226 are respectively connected with the bottom plate 227 to form a T-shaped clamping groove 221.

The bottom plate 227 is extended outward along the negative direction of the z-axis to form a supporting portion 228, when the dispenser body 1 is mounted on the base 2, the supporting portion 228 abuts against the bottom of the dispenser body 1, as shown in fig. 2, and functions to support the dispenser body 1, so as to effectively prevent the dispenser body 1 from deflecting.

The lengths of the first side plate 222 and the second side plate 223 are respectively greater than the lengths of the first limiting plate 224, the second limiting plate 225 and the third limiting plate 226, that is, the first side plate 222 and the second side plate 223 are higher than the first limiting plate 224, the second limiting plate 225 and the third limiting plate 226. The first side plate 222 and the second side plate 223 are respectively provided with a chamfer, namely, the part of the first side plate 222 and the part of the second side plate 223, which is higher, are designed to be an inclined surface, and the structural design can play a role in guiding when the distributor body 1 is installed, so that the distributor body 1 can be smoothly guided to an accurate installation position.

The joint portion 23 is connected with the curb plate of two spacing portions 22 respectively at the both ends of x axle, the joint portion 23 in the one end of z axle positive direction with fixed part 21 is connected. The width direction of the engaging portion 23 coincides with the z-axis direction. Or the clamping portion 23 may be slightly inclined, that is, one end of the clamping portion 23 in the negative direction of the z axis is inclined toward the negative direction of the y axis by a set angle, so that the clamping firmness can be improved to a certain extent. Joint portion 23 is equipped with the corner cut at the one end corner of z axle negative direction, through setting up the corner cut, can guarantee that the joint is more smooth.

In a further embodiment, a plurality of sets of ribs are further disposed on the fixing portion 21, as shown in fig. 3 and 4. For example, a plurality of first reinforcing ribs 24 are disposed on one side of the fixing portion 21 in the negative z-axis direction, the length direction of the first reinforcing ribs 24 is the same as the x-axis direction, the width direction of the first reinforcing ribs 24 is the same as the z-axis direction, the plurality of first reinforcing ribs 24 are respectively disposed on two sides of the two limiting portions 22 in the x-axis direction, and the first reinforcing ribs 24 are connected to side plates corresponding to the limiting portions 22. The first reinforcing rib 24 can increase the strength of the fixing part 21 of the base 2, so that the base 2 is firmer and is more firmly installed. For another example, a plurality of second reinforcing ribs 25 are disposed between the first side plate 222 and the second side plate 223, the length direction of the second reinforcing ribs 25 is the same as the y-axis direction, the width direction of the second reinforcing ribs 25 is the same as the z-axis direction, the second reinforcing ribs 25 are respectively connected with the fixing portion 21, the first limiting plate 224 and the bottom plate 227, the length of the second reinforcing ribs 25 is greater than that of the first limiting plate 224, the second reinforcing ribs 25 are provided with cut corners, the stability of the base 2 can be improved by adding the second reinforcing ribs 25, another convenience can also be achieved, and the distributor body 1 can be smoothly mounted on the base 2. For another example, a plurality of third ribs 26 are disposed between the clamping portion 23 and the bottom plate 227, a length direction of the third ribs 26 is the same as a y-axis direction, a width direction of the third ribs 26 is the same as a z-axis direction, the third ribs 26 are respectively connected to the clamping portion 23 and the bottom plate 227, and the third ribs 26 are additionally disposed to support the clamping portion 23, thereby increasing strength of the clamping portion 23. For another example, a plurality of fourth ribs 27 are provided on one side of the bottom plate 227 in the negative y-axis direction, the length direction of the fourth ribs 27 is aligned with the z-axis direction, the width direction of the third ribs 26 is aligned with the y-axis direction, and the support portion 228 can be supported by adding the fourth ribs 27, thereby increasing the strength of the clamping portion 23.

The main body 1 includes a housing 11, a circuit board 12, and a plurality of pin assemblies 13.

As shown in fig. 5 and 6, the housing 11 includes a first case 111 and a second case 112, and the first case 111 is engaged with the second case 112. The first housing 111 and the second housing 112 have accommodating cavities formed therein, and the circuit board 12 is mounted in the accommodating cavities. The first housing 111 is provided with a first connection port 1111 and a second connection port 1112, the second housing 112 is provided with a third connection port 1121 and a fourth connection port 1122, and the first connection port 1111, the second connection port 1112, the third connection port 1121 and the fourth connection port 1122 are respectively communicated with the accommodating cavity. It should be understood that the above is only schematically illustrated as having four connection ports, and two connection ports are provided on both sides, but in the specific implementation, the number of the connection ports is not limited, and may be increased or decreased as necessary.

The first connection port 1111, the second connection port 1112 and the third connection port 1121 respectively have a first annular protrusion 117 extending outwardly therefrom, and the fourth connection port 1122 has a second annular protrusion 118 extending outwardly therefrom. The terminal connector 3 is fitted over the first annular protrusion 117, as shown in fig. 8. Preferably, the first connection port 1111, the second connection port 1112 and the third connection port 1121 are approximately semicircular, and the radial cross-sectional shape of the corresponding first annular protrusion 117 is also approximately semicircular. The structural design can play a certain fool-proof role, and the pin assembly 13 or the wire end connector 3 is prevented from being installed in wrong direction. Be provided with annular groove 1171 on the first annular protrusion 117, the axis direction of annular groove 1171 with the axis direction of first annular protrusion 117 is unanimous, the endotheca of annular groove 1171 is equipped with the sealing washer, and 3 cover of terminal connector establish can play sealed effect when on the first annular protrusion 117. A third clamping jaw 119 is further arranged on one side of the first annular protrusion 117, the length direction of the third clamping jaw 119 is consistent with the axial direction of the first annular protrusion 117, and a clamping hook 1191 is arranged on one side, far away from the first annular protrusion 117, of the third clamping jaw 119. When the 3 sleeves of the line end connector are arranged on the first annular bulge 117, the third clamping jaw 119 is clamped with the clamping structure on the line end connector 3.

The fourth connecting port 1122 is a signal transmitting port. An annular fixing structure 1181 is arranged in the fourth connecting port 1122, and is a square annular structure as shown in fig. 5, an axial direction of the annular fixing structure 1181 is consistent with an axial direction of the fourth connecting port 1122, a signal connecting terminal 4, such as a USB connecting terminal or the like, is mounted on the fixing structure, the signal connecting terminal 4 is connected to the circuit board 12, and as shown in fig. 7, a signal transmitter or the like may be externally connected. The outer wall of the second annular protrusion 118 is provided with a thread structure, when the fourth connection port 1122 is not needed to work, a sealing cover 5 can be installed on the second annular protrusion, as shown in fig. 8, and a sealing ring can be additionally arranged between the second annular protrusion and the sealing cover 5 to play a role in dust prevention and water prevention. It should be noted that, when other connectors are not used, a sealing cover can be similarly installed for dust and water prevention, and the specific structure of the sealing cover can be designed according to the shape of the annular bulge at the position of the connector, which is not described herein again.

The first shell 111 and the second shell 112 are respectively provided with a plurality of first clamping protrusions 113 on one side in the width direction, and the first clamping protrusions 113 on the first shell 111 and the second shell 112 are in one-to-one correspondence. As shown in fig. 5 and 6, the first locking protrusion 113 is preferably T-shaped, and two locking protrusions are provided at a distance on one side of each of the first and second housings 111 and 112. The first catching protrusion 113 includes a connection portion 1131 and a catching portion 1132. The length direction of the clip portion 1132 is consistent with the length direction of the first casing 111 or the second casing 112, and the clip portion 1132 is connected to one side of the first casing 111 or the second casing 112 through the connecting portion 1131. When the first housing 111 is engaged with the second housing 112, the first engaging protrusion 113 of the first housing 111 and the corresponding first engaging protrusion 113 of the second housing 112 form a large T-shaped engaging protrusion. When distributor body 1 installs when on the base 2, be equipped with the protruding 113 one side orientation of first card on the shell 11 base 2, the distributor is followed base 2y axle positive direction side install extremely base 2, the protruding 113 of first card on the shell 11 is in smooth joint is in under the direction of second strengthening rib 25, first curb plate 222 and second curb plate 223 on base 2 in the draw-in groove 221 of base 2.

The first housing 111 is provided with a first claw 114 at one side of the width direction thereof, and the direction of the clamping end of the first claw 114 is consistent with the clamping direction of the first housing 111. The first claw 114 is disposed on one side of the first housing 111 where the first locking protrusion 113 is disposed, and the first claw 114 is disposed between the two first locking protrusions 113. A clamping protrusion is arranged on one side of the first clamping jaw 114 away from the first shell 111. When the distributor main body 1 is installed on the base 2, the clamping protrusion on the first clamping jaw 114 is abutted to the clamping part 23 of the base 2, so that clamping is realized, and the distributor main body 1 is firmly installed on the base 2.

In a further embodiment, the first housing 111 is provided with second claws 115 on two sides of the width direction thereof, the second housing 112 is provided with second locking protrusions 116 at positions corresponding to the second claws 115, and when the first housing 111 is locked on the second housing 112, the second claws 115 are locked with the second locking protrusions 116. The second jaw 115 on the side of the first housing 111 where the first jaw 114 is provided is located between the first jaw 114 and the first housing 111. The edge positions of the first shell 111 and the second shell 112 further extend outward to form a plurality of fixing portions 110, the fixing portions 110 on the first shell 111 correspond to the fixing portions 110 on the second shell 112 one by one, and the fixing portions 110 on the first shell 111 and the fixing portions 110 on the second shell 112 are fixed through fasteners such as screws. The first shell 111 and the second shell 112 are clamped through the clamping claws and the clamping protrusions, so that the clamping and positioning effects can be achieved in advance, and the fastening is facilitated by adopting fasteners such as screws and the like in the later period.

It should be noted that a sealing structure such as a sealing ring may be disposed between the first housing 111 and the second housing 112 as required to perform the function of sealing and preventing water.

In a further embodiment, a fool-proof structure is further disposed between the first housing 111 and the second housing 112. As shown in fig. 6, two sets of fool-proof ribs 1123 are disposed in the inner cavity of the second housing 112, and the two sets of fool-proof ribs 1123 are respectively disposed at two long edges of the second housing 112, one set is three, and the second set is two. Two sets of fool-proof grooves 1113 are correspondingly arranged in the first shell 111, as shown in fig. 5, one set is three, the second set is two, and meanwhile, a fool-proof rib is arranged in the middle of the two fool-proof grooves 1113 in the second set, when the clamping direction between the first shell 111 and the second shell 112 is opposite, the fool-proof rib 1123 positioned in the middle of the fool-proof rib 1123 in the first set in the second shell 112 can be abutted against the fool-proof rib in the first shell 111, so that the first shell 111 and the second shell 112 can not be clamped, and the fool-proof effect is realized.

It should be noted that the fool-proof rib or the fool-proof groove is disposed on the first housing 111 or the second housing 112, and the position, size, number, etc. of the fool-proof rib or the fool-proof groove can be designed according to the requirement. The fool-proof ribs on the first shell 111 correspond to the fool-proof grooves 1113 on the second shell 112 one by one, the fool-proof ribs 1123 on the second shell 112 correspond to the fool-proof grooves on the first shell 111 one by one, and only when the fool-proof ribs are inserted into the corresponding fool-proof grooves, the first shell 111 can be clamped on the second shell 112.

A guide rib 1124 is further disposed in the inner cavity of the second housing 112, and a guide groove 1114 is disposed in the corresponding inner cavity of the first housing 111. As shown in fig. 6, the guiding ribs 1124 are respectively disposed at two broad edge positions of the second housing 112, so as to play a guiding role, ensure the accuracy of the engagement between the first housing 111 and the second housing 112, and meanwhile, cooperate with the fool-proof structure, so as to make the fool-proof effect more obvious. Also, the guide rib or the guide groove is provided on the first housing 111 or the second housing 112, and the position, size, number, and the like of the guide rib or the guide groove can be designed as required.

The pin assembly 13 includes a pin receptacle 131 and a plurality of pins 132. As shown in fig. 9 and 10, a plurality of pin mounting holes 1311 are provided in the pin base 131, an axial direction of the pin mounting holes 1311 coincides with an axial direction of the pin base 131, and the pin mounting holes 1311 penetrate through both ends of the pin base 131 in the axial direction, respectively. The pins 132 are mounted in the pin mounting holes 1311. The pin holder 131 sequentially includes an interference part 1312 and an insertion part 1313 along an axial direction, an outer diameter of the insertion part 1313 is smaller than that of the interference part 1312, and a plurality of pin mounting holes 1311 are formed in the insertion part 1313. Suitably, the cross-sectional shape of the insert 1313 is also approximately semi-circular, as shown in figure 11. When the pin assembly 13 is mounted in the first connection port 1111, the second connection port 1112, and the third connection port 1121, respectively, the insertion portion 1313 of the pin holder 131 is inserted into the first annular protrusion 117.

Preferably, the interference portion 1312 is cylindrical. The inner wall of the first housing 111 is provided with a ring-shaped structure 1115 corresponding to the first connection port 1111 and the second connection port 1112, respectively, and the inner wall of the ring-shaped structure 1115 is provided with a groove 1116, as shown in fig. 5. A plurality of protrusions 1315 are provided on the sidewall of the interference portion 1312, as shown in fig. 9 and 10. The interference 1312 of the pin assembly 13 mounted on the first housing 111 is mounted in the ring structure 1115, and as shown in fig. 12, the protrusion 1315 on the interference 1312 is engaged with the groove 1116 on the inner wall of the ring structure 1115. By providing the ring-shaped structure 1115, one side can be used to secure the pin assembly 13, and the other side can also function as a support for the circuit board 12.

As shown in fig. 13, the pin mounting hole 1311 includes a first portion 1316, a second portion 1317, and a third portion 1318 in this order in the axial direction. The first portion 1316 communicates with the outside through the side of the interference 1312 remote from the insertion portion 1313, the third portion 1318 communicates with the outside through the side of the insertion portion 1313 remote from the interference 1312, and the aperture of the first portion 1316 and the aperture of the third portion 1318 are both larger than the aperture of the second portion 1317. The pin 132 includes a limiting portion 1321, a clamping portion 1322, and an inserting portion 1323 in sequence along the axial direction thereof, as shown in fig. 14. The outer diameter of the limiting portion 1321 is larger than the outer diameter of the clamping portion 1322 and the outer diameter of the inserting portion 1323, a connecting cavity is arranged in the inserting portion 1323, an elastic clamping piece 1324 is arranged in the connecting cavity, when the pin 132 is installed in the pin installation hole 1311, the limiting portion 1321 is located in the first portion 1316, and the clamping portion 1322 and the inserting portion 1323 are respectively located in the second portion 1317 and the third portion 1318. The outer wall of the clamping portion 1322 is provided with an annular clamping protrusion 1325, and when the contact pin 132 is installed in the contact pin installation hole 1311, the annular clamping protrusion 1325 on the clamping portion 1322 is clamped with the inner wall of the second portion 1317. Preferably, the outer diameter of the annular retaining protrusion 1325 decreases from the direction of the limiting portion 1321 to the direction of the inserting portion 1323, so that the pin 132 is conveniently installed in the pin installation hole 1311.

A plurality of first pins 1314 are arranged on one side of the interference part 1312 of the pin seat 131 far away from the insertion part 1313, and a second pin 1326 is arranged on one side of the limiting part 1321 of the pin 132 far away from the clamping part 1322. The circuit board 12 is provided with jacks corresponding to the first pin 1314 and the second pin 1326, and the first pin 1314 and the second pin 1326 are inserted into the corresponding jacks respectively. The second pin 1326 is electrically connected to the circuit board 12, for example, by soldering the pin 132 to the circuit board 12. Through setting up contact pin subassembly 13, when equipment contact pin 132, only need install each contact pin 132 in the contact pin seat 131, later install on circuit board 12 through the contact pin seat 131 again, alright in order to realize once installing a plurality of contact pins 132, simple to operate, efficient, and the installation accuracy is high.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The shell of the dispenser is characterized by comprising a first shell (111) and a second shell (112), wherein the first shell (111) is clamped on the second shell (112), accommodating cavities are formed in the first shell (111) and the second shell (112), a first connecting port (1111) and a second connecting port (1112) are arranged on the first shell (111), a third connecting port (1121) is arranged on the second shell (112), the first connecting port (1111), the second connecting port (1112) and the third connecting port (1121) are respectively communicated with the accommodating cavities, a plurality of first clamping protrusions (113) are arranged on one side of the first shell (111) and/or one side of the second shell (112), and clamping claws are arranged on one side of the first shell (111) and/or one side of the second shell (112).

2. The housing of a dispenser according to claim 1, characterized in that the second casing (112) is provided with a fourth connection port (1122), the fourth connection port (1122) communicating with the receiving chamber.

3. The housing of a dispenser according to claim 1, wherein the first housing (111) and the second housing (112) are respectively provided with a plurality of first protrusions (113) at one side in the width direction, and the first protrusions (113) on the first housing (111) and the second housing (112) are in one-to-one correspondence.

4. The dispenser casing according to claim 3, wherein the first locking projection (113) is T-shaped, the first locking projection (113) comprises a connecting portion (1131) and a locking portion (1132), a length direction of the locking portion (1132) is identical to a length direction of the first casing (111) or the second casing (112), and the connecting portion (1131) is connected to one side of the first casing (111) or the second casing (112) through the connecting portion (1131).

5. The housing of a dispenser according to claim 1, characterized in that the first housing (111) is provided with a first claw (114) at one side in the width direction thereof, and the direction of the catching end of the first claw (114) coincides with the catching direction of the first housing (111).

6. The housing of the dispenser according to claim 5, wherein the first housing (111) is provided with second claws (115) at two sides in the width direction, the second housing (112) is provided with second protrusions (116) at positions corresponding to the second claws (115), and when the first housing (111) is clamped on the second housing (112), the second claws (115) are clamped with the second protrusions (116);

the second claw (115) on the side of the first shell (111) provided with the first claw (114) is positioned between the first claw (114) and the first shell (111).

7. The housing of the dispenser according to claim 1, wherein the first connection port (1111), the second connection port (1112) and the third connection port (1121) each have a first annular protrusion (117) extending outwards, the first annular protrusion (117) is provided with an annular groove (1171), the axial direction of the annular groove (1171) is consistent with the axial direction of the first annular protrusion (117), one side of the first annular protrusion (117) is further provided with a third claw (119), the length direction of the third claw (119) is consistent with the axial direction of the first annular protrusion (117), and one side of the third claw (119) away from the first annular protrusion (117) is provided with a hook (1191).

8. The housing of a dispenser according to claim 2, characterized in that the fourth connecting port (1122) is extended with a second annular protrusion (118), and the outer wall of the second annular protrusion (118) is provided with a thread structure;

an annular fixing structure (1181) is arranged in the fourth connecting port (1122), and the axial direction of the annular fixing structure (1181) is consistent with the axial direction of the fourth connecting port (1122).

9. The casing of the dispenser according to claim 1, wherein a plurality of fixing portions (110) extend outwards from the edge positions of the first casing (111) and the second casing (112), the fixing portions (110) of the first casing (111) correspond to the fixing portions (110) of the second casing (112) one by one, and the fixing portions (110) of the first casing (111) and the fixing portions (110) of the second casing (112) are fixed by fasteners.

10. The housing of a dispenser according to claim 1, wherein the inner cavity of the first housing (111) and the inner cavity of the second housing (112) are respectively provided with a plurality of fool-proof ribs (1123) and/or a plurality of fool-proof grooves (1113), the fool-proof ribs (1123) on the first housing (111) correspond to the fool-proof grooves (1113) on the second housing (112) one to one, the fool-proof ribs (1123) on the second housing (112) correspond to the fool-proof grooves (1113) on the first housing (111) one to one, and the first housing (111) can be clamped on the second housing (112) only when the fool-proof ribs (1123) are inserted into the corresponding fool-proof grooves (1113).

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